Quantitative Evaluation of Soil Functions: Potential and State

Soils play a key role for the functioning of terrestrial ecosystems. Thus, soils are essential for human society not only because they form the basis for the production of food. This has been recognized since long and during the last three decades the need to establish methods to evaluate the abilit...

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Published inFrontiers in environmental science Vol. 7
Main Authors Vogel, Hans-Jörg, Eberhardt, Einar, Franko, Uwe, Lang, Birgit, Ließ, Mareike, Weller, Ulrich, Wiesmeier, Martin, Wollschläger, Ute
Format Journal Article
LanguageEnglish
Published Lausanne Frontiers Research Foundation 22.10.2019
Frontiers Media S.A
Subjects
Agriculture
Biodiversity
Carbon sequestration
Climate change
ecosystem services
Ecosystems
Environmental science
modeling soil functions
Nutrient cycles
Perturbation
Quantitative analysis
Soil dynamics
soil evaluation
soil functions
soil indicators
Soil sciences
Soils
Sustainable development
Terrestrial ecosystems
Water storage
Germany
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Summary:Soils play a key role for the functioning of terrestrial ecosystems. Thus, soils are essential for human society not only because they form the basis for the production of food. This has been recognized since long and during the last three decades the need to establish methods to evaluate the ability of soils to provide soil functions has moved towards the top of the agenda in soil science. Quantitative evaluation schemes are indispensable to adequately include soils into strategies to reach sustainable development targets. In this paper we build upon existing approaches and propose a concept to evaluate individual soil functions with respect to the soil’s natural potential in contrast to its actual state. This leads to a separation of indicator variables and allows for conclusions on the structure of appropriate models that are required to predict the dynamics of soil functions in response to external perturbation. This concept is demonstrated for the production function, carbon storage and water storage which are evaluated exemplarily for different plots of a long-term field experiment. It is discussed for nutrient cycling and the habitat function where evaluation schemes are still less obvious.
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ISSN:2296-665X
2296-665X
DOI:10.3389/fenvs.2019.00164